MHT CET Chemistry question

The boiling point of 0.2 mol solution of X in water is greater than equimolal solution of Y in water. Which one of the following statements is true in this case?

(A)X is undergoing dissociation in waterCorrect
(B)Molecular mass of X is greater than the molecular mass of Y
(C)Molecular mass of X is less than the molecular mass of Y
(D)Y is undergoing dissociation in water while X undergoes no change

Answer: (A)

Solution

At equal molality the boiling point elevation depends only on the number of particles, so molar mass is irrelevant (b and c are wrong); a larger

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Question ID VK-061334